Re: [PATCH v2] kbuild: skip install/check of headers right under uapi directories

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Le 16/05/2017 à 07:15, Masahiro Yamada a écrit :
> Since commit 61562f981e92 ("uapi: export all arch specifics
> directories"), "make INSTALL_HDR_PATH=$root/usr headers_install"
> deletes standard glibc headers and others in $root/usr/include.
> 
> The cause of the issue is that headers_install now starts descending
> from arch/$(hdr-arch)/include/uapi with $root/usr/include for its
> destination when installing asm headers.  So, headers already there
> are assumed to be unwanted.
> 
> When headers_install starts descending from include/uapi with
> $root/usr/include for its destination, it works around the problem
> by creating an dummy destination $root/usr/include/uapi, but this
> is tricky.
> 
> To fix the problem in a clean way is to skip headers install/check
> in include/uapi or arch/$(hdr-arch)/include/uapi because we know
> there are only sub-directories in uapi directories.  A good side
> effect is the empty destination $root/usr/include/uapi will go
> away.
> 
> I am also removing the trailing slash in the headers_check target to
> skip checking in arch/$(hdr-arch)/include/uapi.
> 
> Fixes: 61562f981e92 ("uapi: export all arch specifics directories")
> Reported-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
Thank you for the patch.

Acked-by: Nicolas Dichtel <nicolas.dichtel@xxxxxxxxx>
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